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As a leading supplier from Hemaokang Steel (Shandong) Co., Ltd., we are proud to offer our 6063 Aluminum Tube 25mm OD for Hydraulic Cylinder Tube Precision Honed ID. Established in 2025, our company has quickly built a strong reputation in the global market, with an annual export value ranging from US$50 Million to US$100 Million. Our ISO 9001:2015 certified facility in Liaocheng, Shandong, China, ensures that every tube meets the highest standards of quality and precision. This product is specifically designed for hydraulic cylinder applications where a smooth, honed inner diameter is critical for performance and durability.
The 6063 aluminum alloy is known for its excellent corrosion resistance, weldability, and extrudability, making it an ideal choice for hydraulic systems. The precision honed inner surface (Ra ≤ 0.4 μm) reduces friction, minimizes wear on seals, and ensures consistent fluid flow. Our tubes are manufactured with strict tolerances to guarantee a perfect fit for piston rods and seals, enhancing the overall efficiency of your hydraulic equipment.
Key Features & Technical Specifications
- Material: 6063 aluminum alloy (T5/T6 temper available)
- Outer Diameter: 25 mm (1 inch) with ±0.05 mm tolerance
- Inner Diameter: Precision honed to custom specifications (typical ID tolerance H8)
- Surface Roughness: Ra ≤ 0.4 μm (mirror-like finish)
- Length: Available from 0.5m to 6m, or as per customer request
- Straightness: ≤ 0.5 mm per meter
- Wall Thickness: Varies based on ID requirement (e.g., 2mm, 3mm, 4mm – customizable)
Product Parameters (Example)
| Parameter | Value |
|---|---|
| OD (Outer Diameter) | 25.00 mm ± 0.05 mm |
| ID (Honed) Tolerance | H8 (e.g., 20.00 mm +0.033 / 0) |
| Surface Roughness (ID) | Ra ≤ 0.4 μm |
| Hardness | HB 80-95 (T6 temper) |
| Tensile Strength | ≥ 205 MPa (T6) |
Why choose our 6063 Aluminum Tube? The combination of lightweight aluminum (density ~2.7 g/cm³) and a precision-honed inner surface offers significant advantages over traditional steel tubes: reduced weight for mobile equipment, easier machining, and excellent thermal conductivity. The honed ID eliminates the need for secondary reaming or honing operations, saving time and cost in your production line. Our tubes are also compatible with standard hydraulic seals and can be anodized for additional corrosion protection if required.
Applications
- Hydraulic cylinder barrels for construction equipment (excavators, loaders)
- Pneumatic cylinders and actuators
- Agricultural machinery (tractors, harvesters)
- Material handling equipment (forklifts, lifts)
- Automotive shock absorbers and struts
- Industrial automation and robotics
Every tube is carefully inspected before shipment. We use advanced measuring instruments to verify ID, OD, roundness, and surface finish. Our quality control team ensures that each batch meets the strict requirements of hydraulic cylinder manufacturers worldwide.
Trust Hemaokang Steel – Your Reliable Partner
With our headquarters in Liaocheng, Shandong – a major steel and aluminum hub – we have direct access to premium raw materials and efficient logistics. Our ISO 9001 certification reflects our commitment to quality management. We serve markets across North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, the Middle East, and more. Our professional sales team provides responsive support, and we offer flexible packaging (wooden cases, pallets) and shipping options via Qingdao Port.
We understand that hydraulic systems demand precision and reliability. That is why our 6063 aluminum tube with precision honed ID is manufactured to the tightest tolerances. Whether you need standard lengths or custom sizes, we can deliver. Contact us today for a quote or technical consultation. Experience the difference of working with a supplier who prioritizes quality and customer satisfaction.
Frequently Asked Questions (FAQ)
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Q: What is the typical lead time for this product?
A: For standard sizes (25mm OD, common IDs), lead time is approximately 10–15 working days. Custom sizes may require 20–25 days depending on quantity. -
Q: Can I get a sample before placing a bulk order?
A: Yes, we offer samples (length 200–500mm) for quality evaluation. Sample cost is reasonable and shipping is at customer's expense, but we will refund the sample fee for bulk orders over a certain quantity. -
Q: What is the minimum order quantity (MOQ)?
A: Our MOQ for standard tubes is 100 pcs (each 1m length). For custom sizes, MOQ may be higher. Please contact our sales team for details. -
Q: Do you provide a certificate of quality (COQ) with each shipment?
A: Absolutely. Each shipment includes a mill test certificate (MTC) with chemical composition and mechanical properties, as per ISO 9001 requirements. -
Q: Can the tubes be supplied with an anodized coating?
A: Yes, anodizing is available as an optional extra. We can provide clear or colored anodized finish upon request. Please specify your requirements. -
Q: How do you ensure the honed ID surface is free from scratches or defects?
A: After honing, each tube is visually inspected under good lighting and also checked with a profilometer for surface roughness. We use protective end caps to prevent damage during handling and shipping. -
Q: What payment terms do you accept?
A: We accept T/T (bank transfer) and L/C at sight. For new customers, a 30% deposit and 70% against copy of shipping documents is typical. Long-term relationships may allow more flexible terms. -
Q: Is this tube suitable for high-pressure hydraulic applications?
A: The tube is designed for medium to high-pressure hydraulic cylinders (up to 200 bar depending on wall thickness and end conditions). For ultra-high pressure, we recommend consulting our engineering team for a custom design.
With over 50 employees and an annual export value exceeding US$50 million, Hemaokang Steel is your trusted partner for precision aluminum tubing. We look forward to serving your hydraulic cylinder needs. Contact us now to discuss your requirements!
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